Question

√15 x √8=

√45 x √20=

√14 x √7=

³√70 x ³√25=​

Answer 1

√15 • √8= √15•8= √120= √2²•2•3•5=
2√30

√45•√20= √45•20= √900= 30

√14•√7= √14•7= √98= √7²•2= 7√2

³√70•³√25= ³√70•25= ³√1750
= ³√2•5³•7= 5 ³√14